Mini goldendoodle puppies are young dogs that have parents that are a golden retriever and either a toy, miniature or standard poodle. They are not a purebred dog, but a designer breed.
Surgical insemination or artificial insemination is one way that goldendoodle puppies are being produced to increase the chances the puppies are miniature in size. Not all breeders use this method, though, and even when used, this method does not guarantee that the puppies will be small. They will be in between the size of the parents. Many times, the larger the golden retriever parent, the larger the puppy will grow.